//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010
// by Perpetual Motion Interactive Systems Inc. ( http://www.perpetualmotion.ca )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System;
using System.Web.UI;
namespace DotNetNuke.UI.WebControls
{
	[ToolboxData("<{0}:VersionEditControl runat=server></{0}:VersionEditControl>")]
	public class VersionEditControl : EditControl
	{
		private Type EnumType;
		protected override string StringValue {
			get { return Value.ToString(); }
			set { this.Value = new System.Version(value); }
		}
		protected System.Version Version {
			get { return Value as System.Version; }
		}
		protected void RenderDropDownList(System.Web.UI.HtmlTextWriter writer, string type, int val)
		{
			writer.AddAttribute(HtmlTextWriterAttribute.Type, "text");
			writer.AddAttribute(HtmlTextWriterAttribute.Name, this.UniqueID + "_" + type);
			writer.AddStyleAttribute("width", "40px");
			writer.RenderBeginTag(HtmlTextWriterTag.Select);
			for (int i = 0; i <= 99; i++) {
				writer.AddAttribute(HtmlTextWriterAttribute.Value, i.ToString());
				if (val == i) {
					writer.AddAttribute(HtmlTextWriterAttribute.Selected, "selected");
				}
				writer.RenderBeginTag(HtmlTextWriterTag.Option);
				writer.Write(i.ToString("00"));
				writer.RenderEndTag();
			}
			writer.RenderEndTag();
		}
		protected override void OnDataChanged(EventArgs e)
		{
			PropertyEditorEventArgs args = new PropertyEditorEventArgs(Name);
			args.Value= Value;
			args.OldValue = OldValue;
			args.StringValue = StringValue;
			base.OnValueChanged(args);
		}
		protected override void OnPreRender(System.EventArgs e)
		{
			base.OnPreRender(e);
			if (Page != null && this.EditMode == PropertyEditorMode.Edit) {
				this.Page.RegisterRequiresPostBack(this);
			}
		}
		protected override void RenderEditMode(System.Web.UI.HtmlTextWriter writer)
		{
			ControlStyle.AddAttributesToRender(writer);
			writer.RenderBeginTag(HtmlTextWriterTag.Span);
			RenderDropDownList(writer, "Major", Version.Major);
			writer.Write("&nbsp;");
			RenderDropDownList(writer, "Minor", Version.Minor);
			writer.Write("&nbsp;");
			RenderDropDownList(writer, "Build", Version.Build);
			writer.RenderEndTag();
		}
		protected override void RenderViewMode(System.Web.UI.HtmlTextWriter writer)
		{
			ControlStyle.AddAttributesToRender(writer);
			writer.RenderBeginTag(HtmlTextWriterTag.Span);
			if (Version != null) {
				writer.Write(Version.ToString(3));
			}
			writer.RenderEndTag();
		}
		public override bool LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)
		{
			string majorVersion = postCollection[postDataKey + "_Major"];
			string minorVersion = postCollection[postDataKey + "_Minor"];
			string buildVersion = postCollection[postDataKey + "_Build"];
			bool dataChanged = false;
			System.Version presentValue = Version;
			System.Version postedValue = new System.Version(majorVersion + "." + minorVersion + "." + buildVersion);
			if (!presentValue.Equals(postedValue)) {
				Value = postedValue;
				dataChanged = true;
			}
			return dataChanged;
		}
	}
}
